InChI=1/C16H14N2O4/c1-21-13-5-3-2-4-10(13)8-15(19)17-11-6-7-14-12(9-11)18-16(20)22-14/h2-7,9H,8H2,1H3,(H,17,19)(H,18,20)/f/h17-18H	6DFDAA0020314541